Loudspeaker



FIG. 1 is a perspective view of a loudspeaker showing our new design;

FIG. 2 is an elevational view thereof; and,

FIG. 3 is a top plan view thereof.

The broken line showings of the slots within the claimed area and the remainder of the loudspeaker form no part of the claimed design. 

CLAIM The ornamental design for a loudspeaker, as shown and described. 